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LM70

±2°C Temperature Sensor with SPI Interface

Texas Instruments

The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in WSON and VSSOP 8-pin packages. The host can query the LM70 at any time to read temperature. A shutdown mode decreases power consumption to less than 10µA. This mode is useful in systems where low average power consumption is critical. The LM70 has 10-bit plus sign temperature resolution (0.25°C per LSB) while operating over a temperature range of −55°C to +150°C. The LM70's 2.65V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications. These include thermal management and protection applications in hard disk drives, printers, electronic test equipment, and office electronics.

Datasheets:
Features
  • 0.25°C Temperature Resolution
  • Shutdown Mode Conserves Power Between Temperature Reading
  • SPI and MICROWIRE Bus Interface
  • VSSOP-8 and WSON-8 Packages Save Space
  • UL Recognized Component
Specifications
  • Accuracy - Highest (Lowest):1.5°C (-2°C, 3°C)
  • Features:Shutdown Mode
  • Mounting Type:Surface Mount
  • Operating Temperature:-55°C ~ 150°C
  • Output Type:SPI
  • Packaging:Tape & Reel (TR)
  • Resolution:10 b
  • Sensing Temperature - Local:-55°C ~ 150°C
  • Sensor Type:Digital, Local
  • Test Condition:-10°C ~ 65°C (-55°C ~ 150°C)
  • Voltage - Supply:2.65V ~ 5.5V
Parts

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LM70CIMM-5/NOPBLM70CIMM-5/NOPBSENSOR DIGITAL -55C-150C 8VSSOP Digital, Local-55°C ~ 150°C-SPI8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
LM70CIMMX-3/NOPBLM70CIMMX-3/NOPBSENSOR DIGITAL -55C-150C 8VSSOP Digital, Local-55°C ~ 150°C-SPI8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
LM70CIMM-3/NOPBLM70CIMM-3/NOPBSENSOR DIGITAL -55C-150C 8VSSOP Digital, Local-55°C ~ 150°C-SPI8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
LM70CILD-5/NOPBLM70CILD-5/NOPBSENSOR DIGITAL -55C-150C 8WSON Digital, Local-55°C ~ 150°C-SPI8-WFDFN Exposed Pad
LM70CIMMX-5/NOPBLM70CIMMX-5/NOPBSENSOR DIGITAL -55C-150C 8VSSOP Digital, Local-55°C ~ 150°C-SPI8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
LM70CILDX-3/NOPBLM70CILDX-3/NOPBSENSOR DIGITAL -55C-150C 8WSON Digital, Local-55°C ~ 150°C-SPI8-WDFN Exposed Pad

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